<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>员工列表练习</title>
</head>
<body>
<input type="text" placeholder="姓名" id="i1">
<input type="text" placeholder="工资" id="i2">
<input type="text" placeholder="工作" id="i3">
<input type="button" value="添加" onclick="f()">
<br>
<table border="1">
    <coption>员工列表</coption>
    <tr>
        <th>姓名</th>
        <th>工资</th>
        <th>工作</th>
    </tr>
</table>
<script>
    // 得到文本框
    let i1 = document.querySelector("#i1");
    let i2 = document.querySelector("#i2");
    let i3 = document.querySelector("#i3");
    // 得到表格
    let table = document.querySelector("table");
    function f(){
        // 创建tr和td
        let tr = document.createElement("tr");
        let nameTd = document.createElement("td");
        let salaryTd = document.createElement("td");
        let jobTd = document.createElement("td");
        // 设置td显示的内容来自文本框
        nameTd.innerText = i1.value;
        salaryTd.innerText = i2.value;
        jobTd.innerText = i3.value;
        tr.append(nameTd,salaryTd,jobTd);
        table.append(tr);
    }
</script>
</body>
</html>